Maddison, G. P., Giroud, C., Alper, B., Arnoux, G., Balboa, I., Beurskens, M. N. A., et al. (2014). Contrasting H-mode behaviour with deuterium fuelling and nitrogen seeding in the all-carbon and metallic versions of JET. Nuclear Fusion, 54: 073016. doi:10.1088/0029-5515/54/7/073016.